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拓扑与电路 单相逆变器 PWM控制 光伏逆变器 ★ 4.0

具有有源功率解耦功能的单相六开关四端口升压逆变器

Single-Phase Six-Switch Four-Port Boost Inverter With Active Power Decoupling

语言:

中文摘要

本文提出了一种新型单相六开关四端口升压逆变器(6S4PwA),包含两个直流端口、一个交流端口和一个作为有源功率解耦(APD)电路的纹波端口。同时提出了一种新型混合改进正弦脉宽调制(HMSPWM)方案,实现了高效的功率变换与解耦控制。

English Abstract

This letter proposes a novel single-phase six-switch four-port boost inverter with active power decoupling (6S4PwA). The four ports are two dc ports, an ac port, and a ripple port that acts as an active power decoupling (APD) circuit. A novel hybrid modified sinusoidal pulsewidth modulation (HMSPWM) scheme is proposed to operate the 6S4PwA. The proposed topology along with the HMSPWM scheme achiev...
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SunView 深度解读

该拓扑通过集成有源功率解耦(APD)电路,能够有效抑制单相逆变器中常见的二倍频纹波,提升直流侧电容寿命,这对阳光电源的户用光伏逆变器及小型储能系统具有重要参考价值。在户用场景中,减小电解电容体积可提升功率密度并延长产品质保寿命。建议研发团队评估该六开关拓扑在提升单相产品效率与可靠性方面的潜力,并探索其在户用光储一体化系统中的应用可行性,以优化系统成本与体积。